
Description: Datadog is a monitoring and analytics platform for cloud applications. It aggregates metrics, events, and logs from servers, databases, tools, and services to present a unified view of an entire stack. Datadog helps developers observe application performance, optimize integrations, and collaborate with other teams to quickly solve problems.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Nagios is an open-source monitoring system that allows administrators to monitor network infrastructure like servers, switches, applications, and services. It can notify users when issues arise and help identify problems in a timely manner.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API